• Operating modes: Auto timer, Comfort, Energy Saving and Protection
• Auto Timer mode with 8 programmable timers
• 2-position, 3-position or PWM control outputs
• Automatic or manual fan speed for 1-speed or 3-speed fan
• 3 multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact
• Automatic or manual heating / cooling changeover
• Adjustable commissioning and control parameters
• Minimum and maximum setpoint limitation
• Infrared remote control receiver
• Backlit display
• Auto timer can be disabled

Application selectable:

• 2-pipe system
• 2-pipe system with electrical heater
• 2-pipe system and radiator / floor heating
• 4-pipe system
• 4-pipe system with electrical heater
• 2-stage heating or cooling system